Overview

overview

10

Static

static

10

91f384a823...e6.exe

windows7-x64

9

91f384a823...e6.exe

windows10-2004-x64

9

Analysis

  • max time kernel
    156s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24-04-2024 18:44

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General

  • Target

    91f384a82399a3183cf2ea57c49c3276a13ffd9c45f0f3bba69f4ef6437272e6.exe

  • Size

    210KB

  • MD5

    536562241e291ab6ac76513d64db1d65

  • SHA1

    d1bc3c977b5530e938759c62b1a72685ce76e1a2

  • SHA256

    91f384a82399a3183cf2ea57c49c3276a13ffd9c45f0f3bba69f4ef6437272e6

  • SHA512

    8a4ebc1c85469030448a977ddb434c3c1f8e56548a033a8b7536eea3a1cf5d9c71f59b67104aa71829c63aaefacfbb44c4137c56ecfc11f31aa2a7a448dca6d6

  • SSDEEP

    3072:TKyBeQdcTRfnyoR0MWv9Wq4u8BPVqcwnnNjp9dRLz3yukS+Z/v6oO97WMYcIQ+:TKCWVn/nWv9Hgd0HNjp7J3yTSealYcI7

Score
9/10
adwarepersistencestealerupx

Malware Config

Signatures

  • UPX dump on OEP (original entry point) 13 IoCs
  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 13 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\91f384a82399a3183cf2ea57c49c3276a13ffd9c45f0f3bba69f4ef6437272e6.exe
    "C:\Users\Admin\AppData\Local\Temp\91f384a82399a3183cf2ea57c49c3276a13ffd9c45f0f3bba69f4ef6437272e6.exe"
    1⤵
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5100
    • C:\Users\Admin\AppData\Local\Temp\91f384a82399a3183cf2ea57c49c3276a13ffd9c45f0f3bba69f4ef6437272e6.exe
      C:\Users\Admin\AppData\Local\Temp\91f384a82399a3183cf2ea57c49c3276a13ffd9c45f0f3bba69f4ef6437272e6.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:3944
      • C:\Users\Admin\AppData\Local\Temp\91f384a82399a3183cf2ea57c49c3276a13ffd9c45f0f3bba69f4ef6437272e6.exe
        C:\Users\Admin\AppData\Local\Temp\91f384a82399a3183cf2ea57c49c3276a13ffd9c45f0f3bba69f4ef6437272e6.exe
        3⤵
        • Enumerates connected drives
        PID:4012
    • C:\Users\Admin\AppData\Local\Temp\91f384a82399a3183cf2ea57c49c3276a13ffd9c45f0f3bba69f4ef6437272e6.exe
      C:\Users\Admin\AppData\Local\Temp\91f384a82399a3183cf2ea57c49c3276a13ffd9c45f0f3bba69f4ef6437272e6.exe
      2⤵
      • Enumerates connected drives
      PID:3196
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:2872
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=3844 --field-trial-handle=2244,i,11878111470816612087,2265290141962607370,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4632

    Network

    MITRE ATT&CK Matrix ATT&CK v13

    Initial Access

    Execution

    Persistence

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Browser Extensions

    1
    T1176

    Privilege Escalation

    Boot or Logon Autostart Execution

    2
    T1547

    Registry Run Keys / Startup Folder

    2
    T1547.001

    Defense Evasion

    Modify Registry

    3
    T1112

    Credential Access

    Discovery

    Query Registry

    1
    T1012

    Peripheral Device Discovery

    1
    T1120

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Resource Development

    Reconnaissance

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\cftmon.exe
      Filesize

      232KB

      MD5

      286f40f393fca004311fb04e6841df12

      SHA1

      8a4e92e91f651ea321ab362c902648c0097bc770

      SHA256

      c9cbb912aef1915054ada0d9310dacbef4ae0b531cf9c733eaac8154d57e13b7

      SHA512

      05dbd3125d1c9ef5dc495db24e6b8faccd456c3151a9c6cc253910e0f96ad2c404c3e424bbb42b1d13c4bf2859a2952f8d16c34213f231b28bcddee361978a42

      Download Submit
    • C:\Windows\SysWOW64\ftpdll.dll
      Filesize

      5KB

      MD5

      91d31d186f3bbd935946697f8b34d5a0

      SHA1

      78eccbde63c6913759adf819622ebc3508840f94

      SHA256

      1767b9108ac9ba4e5d0a7bb104a3462ec4dd5076d3245ad58d25fd1a972fecd0

      SHA512

      16bdd3bbf2f51b585617a9d398ce1fa8b997e8dbb92ca2d441cab833733255d364537f1ecf9fa020014af759dc6baf4e1f60bfcdb510062c9ecb01ac64c05db4

      Download Submit
    • memory/3196-18-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

      Download
    • memory/3196-24-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

      Download
    • memory/3944-20-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

      Download
    • memory/3944-17-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

      Download
    • memory/4012-23-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

      Download
    • memory/4012-19-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

      Download
    • memory/5100-7-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

      Download
    • memory/5100-15-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

      Download
    • memory/5100-8-0x0000000010000000-0x000000001010B000-memory.dmp
      Filesize

      1.0MB

      Download
    • memory/5100-0-0x0000000000400000-0x0000000000444000-memory.dmp
      Filesize

      272KB

      Download
    • memory/5100-6-0x0000000010000000-0x000000001010B000-memory.dmp
      Filesize

      1.0MB

      Download